ArticleThe journal of physical chemistry letters2020
Coherent Electron Transport across a 3 nm Bioelectronic Junction Made of Multi-Heme Proteins.
Article in The journal of physical chemistry letters, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 26 papers.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
26 citing papers in PubMed, 63 citations in OpenAlex.
- Nonuniform Distance Decay of Conductance in a Series of Multiheme Cytochrome Bioelectronic Junctions.The journal of physical chemistry letters · 2026Article
- Quantifying the Characteristic Turnover Frequency of an Individual Redox Enzyme via Real-Time Electrical Transduction of Catalytic Events in a Label-Free Single-Protein Junction.Journal of the American Chemical Society · 2026Article
- Lysine or histidine? examining the role of the proximal ligand at the active heme center of cytochrome c nitrite reductase.Journal of biological inorganic chemistry : JBIC : a publication of the Society of Biological Inorganic Chemistry · 2026Article
- Article
- Electron transfer in multicentre redox proteins: from fundamentals to extracellular electron transfer.Bioscience reports · 2025Review
- Temperature-Dependent Characterization of Long-Range Conduction in Conductive Protein Fibers of Cable Bacteria.ACS nano · 2024Article
- Computation of biological conductance with Liouville quantum master equation.Scientific reports · 2024Article
- Electron transport through two interacting channels in Azurin-based solid-state junctions.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
- Shallow conductance decay along theChemical science · 2024Article
- To be or not to be a cytochrome: electrical characterizations are inconsistent withFrontiers in microbiology · 2024Article
- Near-Temperature-Independent Electron Transport Well beyond Expected Quantum Tunneling Range via Bacteriorhodopsin Multilayers.Journal of the American Chemical Society · 2023Article
- Electrochemistry in sensing of molecular interactions of proteins and their behavior in an electric field.Mikrochimica acta · 2023Review
- Heavy Water Reduces the Electronic Conductance of Protein Wires via Deuteron Interactions with Aromatic Residues.Nano letters · 2023Article
- Long-Range Conductivity in Proteins Mediated by Aromatic Residues.ACS physical chemistry Au · 2023Article
- Article
- Living electronics: A catalogue of engineered living electronic components.Microbial biotechnology · 2023Review
- Charge Transport across Proteins inside Proteins: Tunneling across Encapsulin Protein Cages and the Effect of Cargo Proteins.Biomolecules · 2023Article
- Lack of Specificity inJournal of bacteriology · 2022Article
- Assessing Thermal Response of Redox Conduction forThe journal of physical chemistry. B · 2022Article
- Printable logic circuits comprising self-assembled protein complexes.Nature communications · 2022Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
12 authors at 5 institutions in 4 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Multi-heme cytochromes (MHCs) are fascinating proteins used by bacterial organisms to shuttle electrons within, between, and out of their cells. When placed in solid-state electronic junctions, MHCs support temperature-independent currents over several nanometers that are 3 orders of magnitude higher compared to other redox proteins of similar size. To gain molecular-level insight into their astonishingly high conductivities, we combine experimental photoemission spectroscopy with DFT+Σ current-voltage calculations on a representative Gold-MHC-Gold junction. We find that conduction across the dry, 3 nm long protein occurs via off-resonant coherent tunneling, mediated by a large number of protein valence-band orbitals that are strongly delocalized over heme and protein residues. This picture is profoundly different from the electron hopping mechanism induced electrochemically or photochemically under aqueous conditions. Our results imply that the current output in solid-state junctions can be even further increased in resonance, for example, by applying a gate voltage, thus allowing a quantum jump for next-generation bionanoelectronic devices.
Indexed as
Identifiers
What OpenQuestion holds
Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.